fix creating short prefab key
fix creating short prefab key

magnusmorton/pycket,cderici/pycket,vishesh/pycket,krono/pycket,vishesh/pycket,pycket/pycket,pycket/pycket,magnusmorton/pycket,samth/pycket,samth/pycket,vishesh/pycket,krono/pycket,cderici/pycket,pycket/pycket,samth/pycket,krono/pycket,magnusmorton/pycket,cderici/pycket